Seiko Cal. 6312 - 216

This Automatic model from 1966 features a 40mm PVD Black case. Powered by the 6312 caliber with 35j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-fe8657fc5e18]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1966

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